BS EN ISO 8968-4:2016
Current
The latest, up-to-date edition.
Milk and milk products. Determination of nitrogen content Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
Hardcopy , PDF
English
28-02-2017
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Forewords
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure - Direct protein nitrogen approach
10 Procedure - Indirect protein nitrogen approach
11 Precision
12 Test report
Annex A (informative) - Results of a collaborative
study - Estimation of precision data of direct and
indirect methods for the true protein determination
Bibliography
Defines a method for the direct and indirect determination of the protein nitrogen content of liquid, whole or skimmed milk.
| Committee |
AW/5
|
| DevelopmentNote |
Supersedes 98/712620 DC (02/2002) Supersedes 13/30257963 DC. (05/2016) Supersedes BS EN ISO 8968-5. (03/2017)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO8968| IDF20 specifies a method for the direct and indirect determination of the protein nitrogen content of liquid, whole or skimmed milk.
| Standards | Relationship |
| DIN EN ISO 8968-4:2016-09 | Identical |
| UNE-EN ISO 8968-4:2016 | Identical |
| NEN EN ISO 8968-4 : 2016 | Identical |
| I.S. EN ISO 8968-4:2016 | Identical |
| ISO 8968-4:2016 | Identical |
| NBN EN ISO 8968-4 : 2016 | Identical |
| NS EN ISO 8968-4 : 2016 | Identical |
| UNI EN ISO 8968-4 : 2002 | Identical |
| SN EN ISO 8968-4:2016 | Identical |
| NF EN ISO 8968-4 : 2016 | Identical |
| EN ISO 8968-4:2016 | Identical |
| ISO 8968-1:2014 | Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 707:2008 | Milk and milk products — Guidance on sampling |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
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